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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#420899 | #6789. Yet Another Game of Stones | evirir | WA | 59ms | 4448kb | C++20 | 1.7kb | 2024-05-25 03:02:42 | 2024-05-25 03:02:44 |
Judging History
answer
// left side, row 3 (0-indexed), inner desk, University of Washington
// (we need scratch paper)
#include <bits/stdc++.h>
using namespace std;
#define rep(i, a, b) for (int i = (a); i < (b); i++)
#define forn(i, a, b) for (int i = (a); i < (b); i++)
#define fore(i, a, b) for (int i = (a); i <= (b); i++)
#define all(x) begin(x), end(x)
#define sz(x) (int)((x).size())
using ll = long long;
using ii = pair<int, int>;
void solve() {
int n;
cin >> n;
int arr[n], brr[n];
for (int i = 0; i < n; ++i) cin >> arr[i];
for (int i = 0; i < n; ++i) cin >> brr[i];
int cnt[3]={0};
int c0 = 0, pos =-1;
bool used = false;
for (int i = 0; i < n; ++i) {
if (brr[i] == 0 || (brr[i] == 1 && arr[i] == 1)) {
c0 ^= arr[i];
}
if (brr[i] == 2 && arr[i] % 2 == 1) {
cout << "Bob" << endl;
return;
}
if(arr[i]!=1) cnt[brr[i]] ++;
if(brr[i]!=0&&arr[i]!=1) pos = i;
}
if(cnt[1]+cnt[2]>=2){
cout<<"Bob"<<endl;
return ;
}
if(c0 == 1 && cnt[1]==1 && cnt[2] == 0 && arr[pos]%2==0){
cout<<"Alice"<<endl;
return ;
}
if(c0 == 0 && cnt[1]==1 && cnt[2] == 0 && arr[pos]%2==1){
cout<<"Bob"<<endl;
return ;
}
if((c0 == 0 && (cnt[1]+cnt[2]==1)) || (c0 != 0 && (cnt[1]+cnt[2] == 0))){
cout<<"Alice"<<endl;
}else{
cout<<"Bob"<<endl;
}
// if ((c0 == 0 && !used) || (c0 != 0 && used)) {
// cout << "Alice" << endl;
// } else {
// cout << "Bob" << endl;
// }
}
int main()
{
cin.tie(0)->sync_with_stdio(0);
cin.exceptions(cin.failbit);
int t;
cin >> t;
while (t--) solve();
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3676kb
input:
3 2 4 1 1 0 1 3 2 1 1 2
output:
Alice Bob Bob
result:
ok 3 tokens
Test #2:
score: -100
Wrong Answer
time: 59ms
memory: 4448kb
input:
1015 7 2 3 4 1 5 1 4 0 0 0 0 0 1 2 6 6 5 5 6 5 1 0 1 2 2 2 1 4 2 6 2 3 0 0 0 0 3 4 5 5 0 2 2 6 6 1 6 1 4 5 2 1 1 0 2 0 3 4 4 3 0 1 2 5 6 3 5 4 4 1 2 0 1 1 5 6 3 1 1 5 1 2 1 1 2 4 3 4 5 3 0 0 0 2 4 6 1 5 1 2 1 2 2 5 1 4 3 2 6 1 2 0 0 2 4 6 2 1 1 0 0 2 2 1 6 2 3 5 1 4 2 0 0 1 5 0 6 1 6 6 4 5 6 1 2 1 0...
output:
Alice Bob Alice Bob Bob Bob Bob Bob Bob Bob Bob Bob Alice Bob Alice Bob Bob Bob Bob Alice Bob Alice Bob Bob Bob Bob Alice Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Alice Bob Bob Bob Bob Bob Bob Bob Alice Bob Bob Alice Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Alice Alice ...
result:
wrong answer 24th words differ - expected: 'Alice', found: 'Bob'